Image of the Day: Single Origin

Despite being made of different materials, zebrafishes’ and land animals’ scales form in a similar process.

Sukanya Charuchandra
Sukanya Charuchandra

Originally from Mumbai, Sukanya Charuchandra is a freelance science writer based out of wherever her travels take her. She holds master’s degrees in Science Journalism and Biotechnology. You can read...

View full profile.

Learn about our editorial policies.

The different stages of scale formation (magenta) in zebrafish 
A.J. AMAN ET AL. (2018)

The scales of fish are made of bones, unlike the keratin-based scales of terrestrial animals. Despite these differences, the same genes direct the development of fishes’ bony scales and those of land animals, researchers reported in a paper published July 17 in eLife

A.J. Aman et al., “Wnt/β-catenin regulates an ancient signaling network during zebrafish scale development,” eLife, doi:10.7554/eLife.37001, 2018.

Interested in reading more?

The Scientist ARCHIVES

Become a Member of

Receive full access to more than 35 years of archives, as well as TS Digest, digital editions of The Scientist, feature stories, and much more!
Already a member?